EP2529597B1 - Verfahren zum betreiben einer gasentladungslampe und gasentladungslampensystem - Google Patents

Verfahren zum betreiben einer gasentladungslampe und gasentladungslampensystem Download PDF

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Publication number
EP2529597B1
EP2529597B1 EP11714761.1A EP11714761A EP2529597B1 EP 2529597 B1 EP2529597 B1 EP 2529597B1 EP 11714761 A EP11714761 A EP 11714761A EP 2529597 B1 EP2529597 B1 EP 2529597B1
Authority
EP
European Patent Office
Prior art keywords
voltage
frequency
discharge lamp
ignition
gas discharge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP11714761.1A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2529597A2 (de
Inventor
Michael Boenigk
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram GmbH
Original Assignee
Osram GmbH
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Filing date
Publication date
Application filed by Osram GmbH filed Critical Osram GmbH
Publication of EP2529597A2 publication Critical patent/EP2529597A2/de
Application granted granted Critical
Publication of EP2529597B1 publication Critical patent/EP2529597B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
    • H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • H05B41/04—Starting switches

Definitions

  • the invention relates to a method for operating a gas discharge lamp, wherein the gas discharge lamp has a discharge vessel, in the cavity of which two electrodes protrude, and at least one Zündangeselement, wherein the electrodes during ignition, a high-frequency AC voltage is applied.
  • the invention also relates to a gas discharge lamp system having at least one gas discharge lamp and a control device for activating the at least one gas discharge lamp.
  • mercury-free discharge lamps is used to ignite them usually by means of a ballast pulse ignition with the ignition parameters dU / dt> 70 kV / ⁇ s and a voltage of more 20 kV.
  • Mercury-free discharge lamps with capacitive starting aid ignite at these pulse parameters at an ignition voltage of about 16 kV, resulting in practice high scattering both between the lamps and the ignitions of the individual lamps.
  • the ignition voltages can far exceed the ignition pulse provided by the ballast. This can lead both to an increased reject rate during production of the discharge lamps and to a poor ignition behavior of the system of discharge lamp and ballast.
  • the high voltages of the ignition pulse require a great deal of technical effort and thus high costs for the system.
  • WO 01/73817 A1 describes a gas discharge lamp having a burner having a discharge vessel with a cavity in which a filling with gas and other substances is arranged. In the cavity protrude two electrodes, between which an arc is formed during operation of the gas discharge lamp. On the outside of the discharge vessel, two auxiliary electrodes of opposite polarity are arranged opposite one another in the region of the cavity. The auxiliary electrodes are formed by coating the outside of the discharge vessel with electrically conductive material. Before and possibly also during the ignition of the gas discharge lamp, high frequency high voltage is applied to the auxiliary electrodes, whereby the ignition of the gas discharge lamp is facilitated.
  • WO 2004/090934 A1 describes a high pressure discharge lamp comprising a light bulb extending from one side of a lighting unit having a discharge space therein and a pair of sealing units passing through this lighting unit and a pair of electrodes disposed in the discharge space of the lighting unit, wherein a part of an environmental conductor in a specific area of an arc tube is wound on a sealing unit in a nearly spiral shape, and the remaining part of the environmental conductor is over protrudes the outer part of an arc tube, which is to be electrically connected to an electrode on the other sealing unit side.
  • the breakdown voltage can be controlled up to 8 kV.
  • WO 2006/064408 A1 describes a high frequency lamp circuit for a gas discharge lamp, wherein the lamp circuit comprises a series connection of an AC supply source for supplying an AC voltage, having a high lamp operating frequency, a ballast inductor, a capacitor and connections for connection to a gas discharge lamp and, connected to the terminals, an ignition circuit for igniting the lamp ,
  • the capacitor has a value representing a low impedance for the lamp operating frequency.
  • the ignition circuit has a series arrangement of an impedance and a DC voltage source for supplying a high DC voltage.
  • the series impedance of the ignition circuit has a value which is high with respect to an impedance value of the lamp during start-up and during continuous operation of the lamp DE10233400A1 discloses a known method of the prior art.
  • the DE102006010803A1 discloses a discharge lamp with a capacitive Zündangeselement.
  • the object is achieved by a method for operating a gas discharge lamp, wherein the gas discharge lamp has a discharge vessel, in the cavity of which two electrodes protrude, and at least one Zündangeselement, wherein the electrodes during ignition of the gas discharge lamp with a high-frequency alternating voltage superimposed DC voltage is applied.
  • This embodiment allows a significant reduction of the required ignition voltage in comparison to a use of an ignition pulse.
  • the combination of the DC voltage and the high-frequency AC voltage with a lower amplitude of the high-frequency voltage can be realized than with an exclusively high-frequency ignition, whereby simpler and less expensive ballasts, in particular electronic ballasts (ECG), can be used.
  • ECG electronic ballasts
  • Another advantage is that only a lower ionization of the live parts of the installation (base, leads, etc.) occurs.
  • the dielectric strength of the corresponding components can be chosen to be lower than in the exclusively high-frequency ignition.
  • the scattering of the individual ignitions of a lamp as well as the scattering of the lamps among each other also decrease.
  • the capacitive ignition aid acts on at least one electrode protruding into the discharge vessel.
  • the DC voltage is increased in its magnitude ramp-like, in particular approximately linear, over time.
  • the DC voltage may be e.g. be applied directly to the desired voltage level.
  • the DC voltage ramp is traversed within about 1 s, in particular within about 500 ms.
  • the DC voltage up to a magnitude voltage level of max. 8 kV, in particular max. 7 kV, is set.
  • the high-frequency AC voltage has a peak amplitude between 3 kV and 6 kV, in particular between 4 kV and 5 kV.
  • the high-frequency AC voltage has a frequency between 100 kHz and 4 MHz.
  • the high-frequency AC voltage has a frequency between 100 kHz and 400 kHz, in particular between 150 kHz and 300 kHz, which facilitates a design of the high-frequency components and allows use of cheaper components.
  • the high frequency AC voltage may be e.g. have a frequency from about 1 MHz, in particular between about 1 MHz and about 4 MHz, whereby an effectiveness of the energy input can be increased.
  • the discharge vessel has a mercury-free filling (mercury-free discharge lamp).
  • the at least one capacitive starting aid can be, for example, an auxiliary starting layer, an auxiliary starting wire, a charged one Contusion, a return conductor, a reflector surrounding the discharge vessel or the like. include.
  • the at least one starting aid can be galvanically coupled to one of the two lamp contacts or constructed without galvanic contacting with one of the two lamp contacts (floating in terms of potential).
  • the high-frequency AC voltage or the proportion of high-frequency AC voltage is equal to or greater than the voltage required for a takeover of the lamp.
  • a gas discharge lamp system having at least one gas discharge lamp and a control device for activating the at least one gas discharge lamp, the at least one gas discharge lamp having a discharge vessel, in the cavity of which two electrodes protrude, and at least one auxiliary starting element, and the control device is set up to to apply to the electrodes of the respective gas discharge lamps superimposed with a high-frequency AC voltage DC voltage.
  • Fig.1 shows a gas discharge lamp 1 with a discharge vessel 2, in the cavity 3, two electrodes 4a, 4b and the cavity 3 is filled with a mercury-free steam filling.
  • a capacitive Zündangeselement (“capacitive ignition aid”) 5 is present.
  • the Zündangeselement 5 forms here to each of the electrodes 4a, 4b towards a capacity which is up or reloaded with each half-wave of a high-frequency alternating voltage.
  • an alternating electric field is formed in the cavity 3, which causes a dielectrically impeded discharge of gas atoms or gas molecules present in the cavity 3.
  • This discharge generates charge carriers for a complete ignition of the gas discharge lamp 1 via the electrodes 4a, 4b.
  • the Zündoselement 5 can at least one Zündanges Mrs, Zündosdraht, coated pinch, return conductors o.ä. include.
  • the Zündoselement 5 can basically form a capacitance with two electrodes 4a, 4b or only one of the electrodes 4a, 4b.
  • two Zündoside 5, each with an electrode 4a, 4b form a capacity.
  • the ignition is controlled by an electronic ballast 6, which here for the ignition of the gas discharge lamp 1 here to the two electrodes 4a, 4b a combination of a DC voltage and a high frequency AC voltage ('high frequency voltage') applies, as in more detail Fig.2 explained.
  • Fig.2 shows a plot of a voltage applied by means of the electronic ballast 6 to the electrodes 4a, 4b of the discharge lamp 1 voltage U in the form of a combination of a (here negatively applied) DC voltage and a high frequency AC voltage in kV on the ordinate or y-axis over time t in ms on the abscissa or x-axis.
  • Figure 3 shows a frequency distribution of a number N of similar discharge lamps on the ordinate distributed over the required for the respective discharge lamp ignition voltage Uz in kV on the abscissa, both for ignition by means of an ignition pulse P and alternatively for ignition by means of the combination K from the DC voltage and the high-frequency AC voltage.
  • the breakdown voltage or ignition voltage of the discharge lamps is indicated on ignition on a first rising edge of the ignition pulse P. Ignitions outside the first rising edge of the ignition pulse P (eg on a falling edge or during a following half-wave) are indicated by the dotted marked termination of the distribution at about 18.5 kV.
  • the distribution maximum for the combination K from the DC voltage and the high-frequency AC voltage is only between about 9 kV and 10 kV,
  • the scattering or standard deviation of the distribution for the combination K is narrower than for the Pulse-type ignition, which allows a simpler design of the ballast and / or a lower rejects.

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
EP11714761.1A 2010-04-27 2011-04-14 Verfahren zum betreiben einer gasentladungslampe und gasentladungslampensystem Not-in-force EP2529597B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010028222A DE102010028222A1 (de) 2010-04-27 2010-04-27 Verfahren zum Betreiben einer Gasentladungslampe und Gasentladungslampensystem
PCT/EP2011/055896 WO2011134800A2 (de) 2010-04-27 2011-04-14 Verfahren zum betreiben einer gasentladungslampe und gasentladungslampensystem

Publications (2)

Publication Number Publication Date
EP2529597A2 EP2529597A2 (de) 2012-12-05
EP2529597B1 true EP2529597B1 (de) 2017-05-31

Family

ID=44625868

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11714761.1A Not-in-force EP2529597B1 (de) 2010-04-27 2011-04-14 Verfahren zum betreiben einer gasentladungslampe und gasentladungslampensystem

Country Status (5)

Country Link
EP (1) EP2529597B1 (zh)
JP (1) JP5627766B2 (zh)
CN (1) CN102870500A (zh)
DE (1) DE102010028222A1 (zh)
WO (1) WO2011134800A2 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3016480A3 (en) * 2014-10-02 2016-07-06 Atlas Material Testing Technology, Llc. Igniter-less power supply for xenon lamps in an accelerated weathering test apparatus
JP6174652B2 (ja) 2015-10-05 2017-08-02 ファナック株式会社 加工エリアの大きさによるパラメータの自動選定機能を有する数値制御装置
US20220186083A1 (en) 2019-03-28 2022-06-16 Nitto Denko Corporation Curable Adhesive Sheet and Production Method of Curable Adhesive Sheet

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0689793A (ja) * 1992-09-09 1994-03-29 Kansei Corp 放電灯駆動回路
EP1198823A1 (de) 2000-03-28 2002-04-24 Robert Bosch Gmbh Gasentladungslampe mit zündhilfselektroden, insbesondere für kraftfahrzeugscheinwerfer
DE10233400A1 (de) * 2002-07-23 2004-02-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Schaltungsanordnung zum Betrieb von Entladungslampen
EP1617460B1 (en) 2003-04-09 2011-08-17 Panasonic Corporation Lighting method for high-pressure mercury discharge lamp, high-pressure mercury discharge lamp device, and image display unit and head light unit using said device
EP1632985B1 (de) * 2004-09-07 2014-06-25 OSRAM GmbH Hochdruckentladungslampe
JP2008523573A (ja) 2004-12-14 2008-07-03 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 高周波ガス放電ランプ回路
DE102006010803A1 (de) * 2006-03-07 2007-09-13 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Verfahren zur Herstellung einer Entladungslampe und eine nach einem derartigen Verfahren hergestellte Lampe
WO2008155706A1 (en) * 2007-06-21 2008-12-24 Koninklijke Philips Electronics N.V. High-pressure discharge lamp comprising a starter antenna
JP2010010088A (ja) * 2008-06-30 2010-01-14 Phoenix Denki Kk 補助光源付き高圧放電灯用点灯装置の始動回路、該始動回路を用いた点灯装置並びに該点灯装置を用いた光源装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CN102870500A (zh) 2013-01-09
JP5627766B2 (ja) 2014-11-19
DE102010028222A1 (de) 2011-10-27
WO2011134800A3 (de) 2012-06-21
JP2013525984A (ja) 2013-06-20
EP2529597A2 (de) 2012-12-05
WO2011134800A2 (de) 2011-11-03

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